Finding the Fourth Proportional to 16,542.88, 22,830.20 and 9,469.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,542.88 : 22,830.20 = 9,469.15 : x
2. Step 2: Convert to fraction form
   16,542.88/22,830.20 = 9,469.15/x
3. Step 3: Cross multiply
   16,542.88x = 22,830.20 × 9,469.15
4. Step 4: Simplify right side
   16,542.88x = 216,182,588.33
5. Step 5: Solve for x
   x = 216,182,588.33/16,542.88
6. Step 6: Final answer
   x = 13,068.01